Instructions

  1. Chop green onion in processor. Add mayonnaise, sour cream, mustard, and Worcestershire sauce and blend. Add cheese and mix well. Season with salt and pepper. (Can be prepared 3 days ahead. Cover and refrigerate. Bring to room temperature before serving.).
  2. Prepare barbecue grill for medium-high heat cooking. Form beef into two 1-inch-thick patties. Season with salt and pepper. Grill to desired doneness, about 4 minutes per side for rare. Transfer to plates. Spoon sauce over and serve.